JP2011247252A5 - - Google Patents

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Publication number
JP2011247252A5
JP2011247252A5 JP2011107726A JP2011107726A JP2011247252A5 JP 2011247252 A5 JP2011247252 A5 JP 2011247252A5 JP 2011107726 A JP2011107726 A JP 2011107726A JP 2011107726 A JP2011107726 A JP 2011107726A JP 2011247252 A5 JP2011247252 A5 JP 2011247252A5
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Prior art keywords
fuel
flow
controller
diluent
pressure
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Ceased
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JP2011107726A
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Japanese (ja)
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JP2011247252A (en
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Priority claimed from US12/787,247 external-priority patent/US8627668B2/en
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Publication of JP2011247252A publication Critical patent/JP2011247252A/en
Publication of JP2011247252A5 publication Critical patent/JP2011247252A5/ja
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Claims (10)

燃焼システム（１６６）の燃料ノズル（２５２）への第１の燃料（１６８）の第１の流れと、第２の燃料（１７２）の第２の流れとの間の燃料移行を制御するよう構成された燃料コントローラ（１８２）を備えるシステムであって、前記燃料コントローラ（１８２）が、第２の燃料（１７２）の第２の流れと組合せて希釈剤（１７６）の第３の流れを調整して、前記燃料ノズル（２５２）前後の圧力比を所定の作動圧力比を上回って維持するように構成されており、前記圧力比が燃料供給圧力を燃焼器圧力で除算したものであり、前記燃料コントローラ（１８２）が、測定燃料供給圧力、測定燃焼器圧力、メモリに記憶された伝達関数、ガスタービンエンジンの作動条件に基づく推測、燃焼システムのモデル又はこれらの組合せに基づいて、圧力比を測定又は計算するように構成されている、システム。 Configured to control fuel transition between a first flow of the first fuel (168) to a fuel nozzle (252) of the combustion system (166) and a second flow of the second fuel (172). A fuel controller (182) configured to regulate a third flow of diluent (176) in combination with a second flow of second fuel (172). The pressure ratio before and after the fuel nozzle (252) is maintained above a predetermined operating pressure ratio, and the pressure ratio is obtained by dividing the fuel supply pressure by the combustor pressure. Based on the measured fuel supply pressure, the measured combustor pressure, the transfer function stored in memory, the inference based on operating conditions of the gas turbine engine, the model of the combustion system, or a combination thereof, the controller (182) Configured, system to measure or calculate the power ratio. 前記燃料コントローラ（１８２）が、前記希釈剤（１７６）の第３の流れの調整により前記燃料ノズル（２５２）前後の圧力比を制御し、逆火及び保炎を阻止するように構成されている、請求項１記載のシステム。   The fuel controller (182) is configured to control the pressure ratio around the fuel nozzle (252) by adjusting the third flow of the diluent (176) to prevent backfire and flame holding. The system of claim 1. 前記燃料コントローラ（１８２）が、前記希釈剤（１７６）の第３の流れを増大させ且つ第２の燃料（１７２）の第２の流れを減少させて、低装荷での前記燃焼システム（１６６）の作動を可能にするよう構成される、請求項１又は請求項２記載のシステム。 The fuel controller (182) increases the third flow of the diluent (176) and decreases the second flow of the second fuel (172) to reduce the combustion system (166) at low load. The system of claim 1 or claim 2 configured to allow operation of the system. 前記燃料コントローラ（１８２）が、複数のガス化装置（１０６）の内の少なくとも１つがオフラインである間、前記希釈剤（１７６）の第３の流れを増大させ且つ第２の燃料（１７２）の第２の流れを減少させるよう構成される、請求項３記載のシステム。   The fuel controller (182) increases the third flow of the diluent (176) and the second fuel (172) while at least one of the plurality of gasifiers (106) is offline. The system of claim 3, wherein the system is configured to reduce the second flow. 前記燃料コントローラ（１８２）が、前記燃焼システム（１６６）の始動又は運転停止中の燃料移行を制御するよう構成される、請求項１乃至請求項４のいずれか１項記載のシステム。 The system of any one of the preceding claims , wherein the fuel controller (182) is configured to control fuel transfer during startup or shutdown of the combustion system (166). 前記燃料コントローラ（１８２）が、圧力、温度、発熱量、流量、速度、負荷又はこれらの組合せのうちの少なくとも１つを示すフィードバック（１９８）に応答して前記燃料移行を制御するよう構成される、請求項１乃至請求項５のいずれか１項記載のシステム。 The fuel controller (182) is configured to control the fuel transition in response to feedback (198) indicating at least one of pressure, temperature, heating value, flow rate, speed, load, or combinations thereof. The system according to any one of claims 1 to 5 . 前記希釈剤（１７６）が、窒素、蒸気又はこれらの組合せのうちの少なくとも１つを含む、請求項１乃至請求項６のいずれか１項記載のシステム。 The system of any one of the preceding claims , wherein the diluent (176) comprises at least one of nitrogen, steam, or combinations thereof. 第１の燃料（１６８）が、天然ガス、蒸留油、液化石油ガス又はこれらの組合せのうちの少なくとも１つを含み、第２の燃料（１７２）がシンガスを含む、請求項１乃至請求項７のいずれか１項記載のシステム。 First fuel (168), the natural gas, including distillate oil, liquefied petroleum gas, or at least one of these combinations, the second fuel (172) comprises syngas, claims 1 to 7 The system according to any one of the above. 前記燃料ノズル（２５２）を有する燃焼システム（１６６）がガスタービンエンジン（１１８）の燃焼器（１２０）内に配置される、請求項１乃至請求項８のいずれか１項記載のシステム。 The system of any preceding claim , wherein a combustion system (166) having the fuel nozzle (252) is disposed in a combustor (120) of a gas turbine engine (118). 前記ガスタービンエンジンの作動条件が、入口ガイドベーン（ＩＧＶ）位置、修正速度、排気温度、燃料流量、燃料低位発熱量（ＬＨＶ）又はこれらの組合せをを含む、請求項１乃至請求項９のいずれか１項記載のシステム。
 10. Any one of claims 1 to 9, wherein the operating conditions of the gas turbine engine include inlet guide vane (IGV) position, correction speed, exhaust temperature, fuel flow rate, fuel lower heating value (LHV), or combinations thereof. The system according to claim 1 .
JP2011107726A 2010-05-25 2011-05-13 System for fuel and diluent control Ceased JP2011247252A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/787,247 US8627668B2 (en) 2010-05-25 2010-05-25 System for fuel and diluent control
US12/787,247 2010-05-25

Publications (2)

Publication Number Publication Date
JP2011247252A JP2011247252A (en) 2011-12-08
JP2011247252A5 true JP2011247252A5 (en) 2014-06-26

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US (1) US8627668B2 (en)
EP (1) EP2390481A3 (en)
JP (1) JP2011247252A (en)
CN (1) CN102330606B (en)

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